Home / 89,041.62-122,876.28-50,800.18

Finding the Fourth Proportional to 89,041.62, 122,876.28 and 50,800.18

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Solution

The fourth proportional to 89,041.62, 122,876.28 and 50,800.18 is: 70,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,041.62 : 122,876.28 = 50,800.18 : x
  2. Step 2: Convert to fraction form
    89,041.62/122,876.28 = 50,800.18/x
  3. Step 3: Cross multiply
    89,041.62x = 122,876.28 × 50,800.18
  4. Step 4: Simplify right side
    89,041.62x = 6,242,137,141.73
  5. Step 5: Solve for x
    x = 6,242,137,141.73/89,041.62
  6. Step 6: Final answer
    x = 70,103.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.